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Microprocessor
A microprocessor is a multi-programmable logic device commonly referred to as the brain of the computer, responsible for processing data through an input-process-output cycle. Its functionality relies on several primary blocks, including the arithmetic and logic unit and control unit, while its speed is influenced by factors like the number of instructions, bandwidth, clock speed, and the number of transistors. Additionally, multitasking technology allows the processor to run multiple programs at once, enhancing efficiency.
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Microprocessor
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- 2. INTRODUCTION Microprocessor isa multi programmable logic device. It is also known as brain of the computer. It accepts the data and instructions from input devices , process it and gives the output. Input – Process – Output cycle. It is a complex chip in the computer.
- 3. WORKING OF THEMICROPROCESSOR Different parts of the microprocessor work together to process the data and to give the output. I – P – O cycle. Primary functional blocks are: ALU CU MU
- 4. FUNCTIONAL BLOCKS Arithmeticand Logic Unit. Control Unit. Decode Unit. Instruction Cache. Prefetch Unit. Bus Unit. Data Cache. Registers.
- 5. FUNCTIONAL BLOCKS ALU ControlUnit Instruction Cache Registers Data Cache Bus Unit Decode unit Prefetch Unit
- 6. MICROPROCESSOR SPEED Thespeed of microprocessor depends on various factors. 1. No of instructions 2. Bandwidth 3. Clock Speed Instruction is a command that the microprocessor executes. The bandwidth specifies the number of binary digits that the microprocessor can process in a single instruction. The clock speed specifies the speed at which the microprocessor processes an instruction.
- 7. TRANSISTORS The speedof microprocessor also depends on the number of the transistors built into the processor. If more number of transistors built on the microprocessor , the speed also the more. The transistors in the microprocessor gives the more strength to the data signals.
- 8. MULTITASKING Multitasking isa technology , which enables the processor to run multiple programs simultaneously. To utilize the microprocessor time more efficiently multitasking was introduced.
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